55857454 has 8 divisors (see below), whose sum is σ = 88196040. Its totient is φ = 26458776.

The previous prime is 55857421. The next prime is 55857463. The reversal of 55857454 is 45475855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55857454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734929 + ... + 735004.

It is an arithmetic number, because the mean of its divisors is an integer number (11024505).

Almost surely, 2^55857454 is an apocalyptic number.

55857454 is a deficient number, since it is larger than the sum of its proper divisors (32338586).

55857454 is a wasteful number, since it uses less digits than its factorization.

55857454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469954.

The product of its digits is 560000, while the sum is 43.

The square root of 55857454 is about 7473.7844496614. The cubic root of 55857454 is about 382.2613408611.

The spelling of 55857454 in words is "fifty-five million, eight hundred fifty-seven thousand, four hundred fifty-four".